Title |
A resource-saving collective approach to biomedical semantic role labeling
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Published in |
BMC Bioinformatics, May 2014
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DOI | 10.1186/1471-2105-15-160 |
Pubmed ID | |
Authors |
Richard Tzong-Han Tsai, Po-Ting Lai |
Abstract |
Biomedical semantic role labeling (BioSRL) is a natural language processing technique that identifies the semantic roles of the words or phrases in sentences describing biological processes and expresses them as predicate-argument structures (PAS's). Currently, a major problem of BioSRL is that most systems label every node in a full parse tree independently; however, some nodes always exhibit dependency. In general SRL, collective approaches based on the Markov logic network (MLN) model have been successful in dealing with this problem. However, in BioSRL such an approach has not been attempted because it would require more training data to recognize the more specialized and diverse terms found in biomedical literature, increasing training time and computational complexity. |
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